CVE-2019-18611

Published: 29 October 2019

An issue was discovered in the CheckUser extension through 1.34 for MediaWiki. Certain sensitive information within oversighted edit summaries made available via the MediaWiki API was potentially visible to users with various levels of access to this extension. Said users should not have been able to view these oversighted edit summaries via the MediaWiki API.

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
mediawiki Launchpad, Ubuntu, Debian	bionic	Not vulnerable (code not present)
	disco	Ignored (end of life)
	eoan	Not vulnerable (code not present)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

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